Seiko Cal. 6681 - 864

This Hand-Winding model from 1978 features a 46mm Stainless Steel case. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-93249b564885]

Also known as: Turtle, Crown

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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